The award-winning Genie® series designed by Henner Jahns » gets an upgrade with Genie Flex®. This task chair uses a robust Thermoplastic Polyurethane (TPU) remarkable material. It is used in running shoes and as a rubber replacement for heavy-duty, industrial, engineering seals. Visualizing its use here in a chair, you experience exceptional support and comfort with its 4-way stretch. It is abrasion/scratch resistant, grease/oil stain resistant and is bleach cleanable. TPU is also 100% chlorine-free, 100% PVC-free and 100% recyclable!